3 in notes

greke'a lujvo

x₁=k₁ is a hole in x₂=k₂=p₂ to/between x₃=p₃ from/and x₄=p₄ permitting passage by x₅=p₁.

pagre + kevna. Precisely, x₂ is the barrier, x₃ is the inside, and x₄ is the outside, if distinguishable; loosely, x₂ might be given as the object consisting of both the barrier and the inside.

• jbovlaste

In notes:

gregau

g₁ makes x₂=p₁ pass through x₃=p₂ to destination side x₄=p₃ from origin side x₅=p₄.

rajgreke'a

x₁=k₁ is a shaft in x₂=k₂=p₂ to/between x₃=p₃ from/and x₄=p₄ permitting passage by x₅=p₁.

torxesrtubnu

x₁ is a tube/hole/tunnel through (topological) torus x₂.